EGIS

EGIS XD Flex L Lithium ACR + Relay Dual 500A 12/24V

£368.27
Tax included.
8520-1350
Dual-circuit XD Series Flex L module combining a lithium-tuned automatic charging relay and a programmable relay in one sealed unit, rated at 500A continuous over an 8-36V DC range. Replaces two high-amp relays with a single bi-stable solenoid device drawing just 1.3mA off-state, with 3-position manual override knobs, LED status and flying tinned wire leads.

Collection or delivery in 1-2 weeks

Pickup available at Mercury Yacht Harbour

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Description

The EGIS 8520-1350 is a dual-circuit XD Series Flex L module that combines a lithium-tuned automatic charging relay (ACR) with a programmable relay in a single compact unit, replacing two individual high-amp relays and the external link cables between them. Built on the XD bi-stable solenoid platform, it is rated at 500A continuous with up to 1500A cranking over an 8-36V DC range, with charge and discharge thresholds suited to modern lithium battery systems. The ACR shares charge between banks automatically while the second relay handles load switching, easily replicating common dual-battery switching and charge-management layouts.

Each circuit has its own front-facing 3-position manual override knob that forces the relay open or closed and can be locked in either state, with a clear front LED and a remote LED that mirrors it. The sealed enclosure is rated to IP67/IP6K9K with an integrated Gore-Tex vent for long life in harsh environments, and stainless-steel studs with self-locking flanged nuts accept 1/4-20 or M6 hardware. Functions are configured via dip switches under the included protective cover, off-state draw is just 1.3mA, and the unit terminates in flying tinned wire leads. It can be expanded with optional 8790 link and 8791 crossover busbars for larger battery systems.

PRODUCT DETAILS

  • Dual-circuit module combining a lithium-tuned ACR and a programmable relay
  • 500A total continuous current and 1500A maximum cranking current
  • Wide 8-36V DC operating range for 12V and 24V systems
  • Ultra-low 1.3mA off-state draw via advanced bi-stable solenoid design
  • Individual 3-position manual override knobs lock each relay open or closed
  • Front and remote LED status indication, programmable via dip switches
  • Sealed to IP67/IP6K9K with integrated Gore-Tex vent and stainless studs (1/4-20 / M6)
  • Flying tinned wire leads; expandable with 8790/8791 link busbars
  • 1 x EGIS 8520-1350 dual XD Flex L module (ACR + relay) with flying tinned wire leads
  • 2 x 3-position manual override knobs (fitted)
  • Protective terminal cover
  • 40-circuit weatherproof label sheet

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Electrical

Continuous Current500 A
Max Cranking Current1500 A
Voltage Range8 - 36 V DC
Off-State Current Draw1.3 mA
State Change Current5A @ 12V DC / 3A @ 24V DC

Mechanical

Mechanical Switching Life1,000,000 cycles
ConnectorTinned wire leads
Ingress ProtectionIP67 / IP6K9K

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What is combined inside the 8520-1350?
It packages a lithium-tuned automatic charging relay (ACR) and a separate programmable relay in one module. This replaces two individual high-amp relays, removing the external link cables and the risk of those connections vibrating loose.
Why is the Flex L version used for lithium systems?
The Flex L configuration provides higher available charge and discharge voltage thresholds than legacy relays, matching the requirements of modern lithium battery chemistries.
Does each relay have its own manual control?
Yes. Each of the two circuits has its own front-facing 3-position manual override knob that can force the relay open or closed and lock it in either state, with the knob position clearly showing the forced condition.
Can it be linked to other XD relays?
Yes. The dual module can be expanded with optional 8790 link and 8791 crossover busbars to additional single, dual or triple XD relays, supporting 2 or 3 battery system solutions without separate cable interconnects.